Increase Omega-3 fatty acids
According to a study, People with top quartile levels of docosahexaenoic acid (DHA) which is usually found in fatty fish including the salmon and the mackerel have had low rates of the disease on follow-up. Since the fish is rich in omega-3 fatty acids, people who eat food containing daily omega 3s have been witnessed to have 26% less risk of having lesions, that causes dementia in the long run. These fatty acids keep the brain active and sharp at all times. The Omega fatty acids derived from fish, flax seeds, and olive oil along with almonds, cashews, peanuts and pecans has helped people to improve cognition and brain activity.
Take folic acid supplements to lower homocysteine
One can eat foods high in folate to reduce high levels of homocysteine, thus improving brain function. Broccoli, cauliflower, sprouts and kale lower homo-cysteine with the help of folic acid thus boosting cognitive function on all levels.